We've got 2,124 shorthands for chi distribution »
Acronyms that contain the term chi distribution
Page #72What does chi distribution mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: chi distribution.
Term | Definition | Rating |
---|---|---|
BFD | Braking Force Distribution | |
CDF | Cumulative Distribution Function | |
CLEDIPA | Committee de Liaison European de la Distribution Independante de Pieces de Rechange et Equipements pour Automobiles | |
CMDA | Compagnie Mauritanienne de Distribution Automobile | |
COVODIAM | Compagnie Voltaique de Distribution Automobile et de Materiel | |
CPSD | Canadian Parts Sales and Distribution | |
DBF | Distribution of Braking Force | |
DIASEN | Distribution Automobile Senegalaise | |
DIVA | Distribution Van | |
DPDC | Detroit Parts Distribution Center | |
DTD | Dynamic Temperature Distribution | |
DWD | Dynamic Weight Distribution | |
EBDS | Electronic Brake Distribution System | |
EBFD | Electronic Brake Force Distribution | |
EDA | Esterel Distribution Automobile | |
EDS | Electrical Distribution and Electronic Control System | |
EEDS | Electrical Electronic Distribution Systems | |
ELCIDIS | Electric Vehicle City Distribution | |
FEDA | Federation de la Distribution Automobile | |
GDS | Global Distribution System | |
GMODC | General Motors Overseas Distribution Corporation | |
GPDA | Groupement des Professionnels de la Distribution Automobile | |
HDDA | Heavy Duty Distribution Association | |
HDDS | Homologation Document Distribution System | |
HSTD | Hap Seng Trucks Distribution |
What does chi distribution mean?
- Chi distribution
- In probability theory and statistics, the chi distribution is a continuous probability distribution. It is the distribution of the positive square root of the sum of squares of a set of independent random variables each following a standard normal distribution, or equivalently, the distribution of the Euclidean distance of the random variables from the origin. It is thus related to the chi-squared distribution by describing the distribution of the positive square roots of a variable obeying a chi-squared distribution. If Z 1 , … , Z k {\displaystyle Z_{1},\ldots ,Z_{k}} are k {\displaystyle k} independent, normally distributed random variables with mean 0 and standard deviation 1, then the statistic Y = ∑ i = 1 k Z i 2 {\displaystyle Y={\sqrt {\sum _{i=1}^{k}Z_{i}^{2}}}} is distributed according to the chi distribution. Accordingly, dividing by the mean of the chi distribution (scaled by the square root of n − 1 {\displaystyle n-1} ) yields the correction factor in the unbiased estimation of the standard deviation of the normal distribution. The chi distribution has one parameter, k {\displaystyle k} , which specifies the number of degrees of freedom (i.e. the number of Z i {\displaystyle Z_{i}} ). The most familiar examples are the Rayleigh distribution (chi distribution with two degrees of freedom) and the Maxwell–Boltzmann distribution of the molecular speeds in an ideal gas (chi distribution with three degrees of freedom).
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"chi distribution." Abbreviations.com. STANDS4 LLC, 2024. Web. 21 Sep. 2024. <https://www.abbreviations.com/chi%20distribution>.
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